Update require.js
Remove Phaser, add pixi.js
Rename and move around some .js files
Add Bluebird library
Remove console.log wrapper with strange name
Add stats.js - mini library for FPS monitoring
Add classes representing visual entities
Revert return type of Actor->update back to void
Remove files with string -> tile_index mapping

Soon we won't be using them anymore anyway
Remove interception of qDebug messages
Change module requirements according to recently removed/added files
Pre populate sign in form fields with default values
Fix code style
Remove name from jquery AMD registration

This way it can be included with 'lib/jquery' which is not possible otherwise.
Set focus to Sign In button after page loading
Introduce new api beginMove/endMove, remove "move" from both api and code.
Fix bug: not freeing actors_, not initializing actors_ to nullptr